Respuesta :

clarch19

Answer:

y = -7x + 17

Step-by-step explanation:

you want to isolate the 'y' variable, start by distributing -7 on the right side

y + 4 = -7x + 21

now subtract 4 from each side

y = -7x + 17

Anthony060406

Answer:

y=mx + b     y=-7x + 17

Step-by-step explanation: